/*
 * Copyright 2019 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.reactivex.mantis.remote.observable;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


public class MergeCounts {

    private static final Logger logger = LoggerFactory.getLogger(MergeCounts.class);

    private int expectedTerminalCount;
    private int currentTerminalCount;

    public MergeCounts(int expectedTerminalCount) {
        this.expectedTerminalCount = expectedTerminalCount;
    }

    public boolean incrementTerminalCountAndCheck() {
        currentTerminalCount++;
        logger.debug("Current terminal count: " + currentTerminalCount +
                " Expected terminal count: " + expectedTerminalCount);
        return (currentTerminalCount == expectedTerminalCount);
    }

}
